Document previews not working

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Community Manager
Community Manager

Re: Document previews not working

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Hi @ChrisAlker,

Pleased you managed to get it working! Thanks for outlining how you resolved the issue - super useful to other users.

Take care, 

Digital Community Manager, Alfresco Software.
Problem solved? Click Accept as Solution!
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Active Member II

Re: Document previews not working

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Hi @EddieMay , I think I may have spoken too soon about the issue being fully resolved... I have it working fine in my test system, which is a bitnami build running community 6.2 on my windows 10 laptop, however, our live Alfresco build is community 5.2 built on a Linux box, where someone previously looked after this before me (and has left). I've added this setting to our live system and it did not fix the preview issue. The difference between the global properties of the two files differs slightly though.

These are the standard settings that were on my bitnami 6.2 install:

### External executable locations ###
ooo.exe=C:/ALFRES~1/LIBREO~1/App/libreoffice/program/soffice.exe
ooo.enabled=true
ooo.port=8100
img.root=C:\\Alfresco-201911-4\\imagemagick
img.coders=${img.root}/modules/coders
img.config=${img.root}/config
img.gslib=${img.root}\\lib
img.exe=${img.root}\\convert.exe
swf.exe=C:/ALFRES~1/swftools/pdf2swf.exe
swf.languagedir=C:/ALFRES~1/swftools/japanese
jodconverter.enabled=false
# JOD only for Alfresco Enterprise
jodconverter.officeHome=C:/ALFRES~1/LIBREO~1/App/libreoffice
jodconverter.portNumbers=8100

### Jod converter file size settings ###
content.transformer.JodConverter.extensions.docx.pdf.maxSourceSizeKBytes=10000

 

These are the settings that are in our live 5.2 properties file:

### External executable locations ###
ooo.exe=/var/www/html/alfresco-community/libreoffice/program/soffice.bin
ooo.enabled=true
ooo.port=8100
img.root=/var/www/html/alfresco-community/common
img.dyn=${img.root}/lib
img.exe=${img.root}/bin/convert

jodconverter.enabled=false
jodconverter.officeHome=/var/www/html/alfresco-community/libreoffice
jodconverter.portNumbers=8100

### Jod converter file size settings ###
content.transformer.JodConverter.extensions.docx.pdf.maxSourceSizeKBytes=10000

 

Do you know if the extra settings from my 6.2 build were not present in the standard 5.2 build? I have no way of knowing if the original 5.2 properties file actually had the additional settings but were removed (I suspect they haven't been though).

Is there anything that sticks out immediately, other than jodconverter.enabled=false, as I've changed this setting between true/false and it hasn't affected this particular issue, in fact my test system allows the previews with this set to false.

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Active Member

Re: Document previews not working

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I had exactly this issue, and found the line I needed to add to alfresco-global.properties was

content.transformer.OpenOffice.extensions.docx.pdf.maxSourceSizeKBytes=10000

(whereas content.transformer.JodConverter.extensions.docx.pdf.maxSourceSizeKBytes=10000 made no difference).

As I understand it, it's because libreoffice/OpenOffice is carrying out the transformation and not the JodConverter.

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Active Member II

Re: Document previews not working

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Hi thanks for that, I found that it now shows the document preview, but only the first page of 16 and the text on the page is a little bit distorted/overlapping too

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Active Member II

Re: Document previews not working

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Hi dude.

I add all content for MSOffice and set this options... This work fine and fast! 

### External executable locations ###
ooo.exe=/opt/alfresco-community/libreoffice/program/soffice.bin
ooo.enabled=true
ooo.port=8100
img.root=/opt/alfresco-community/common
img.dyn=${img.root}/lib
img.exe=${img.root}/bin/convert
alfresco-pdf-renderer.root=/opt/alfresco-community/common/alfresco-pdf-renderer
alfresco-pdf-renderer.exe=${alfresco-pdf-renderer.root}/alfresco-pdf-renderer
content.transformer.OpenOffice.extensions.docx.pdf.maxSourceSizeKBytes=-1
content.transformer.OpenOffice.extensions.doc.pdf.maxSourceSizeKBytes=-1
content.transformer.OpenOffice.extensions.xlsx.pdf.maxSourceSizeKBytes=-1
content.transformer.OpenOffice.extensions.xlsm.pdf.maxSourceSizeKBytes=-1
content.transformer.OpenOffice.extensions.xls.pdf.maxSourceSizeKBytes=-1
content.transformer.OpenOffice.extensions.pptx.pdf.maxSourceSizeKBytes=-1
content.transformer.OpenOffice.extensions.ppt.pdf.maxSourceSizeKBytes=-1
content.transformer.OpenOffice.extensions.ppsx.pdf.maxSourceSizeKBytes=-1
content.transformer.default.timeoutMs=120000
content.transformer.default.readLimitTimeMs=120000
content.transformer.default.maxSourceSizeKBytes=-1
content.transformer.default.readLimitKBytes=-1   
content.transformer.default.pageLimit=-1
content.transformer.default.maxPages=-1
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Active Member

Re: Document previews not working

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@ChrisAlker wrote:

Hi thanks for that, I found that it now shows the document preview, but only the first page of 16 and the text on the page is a little bit distorted/overlapping too


I see something similar from time to time - it seems to happen if there is an attempt to access share in the browser while alfresco is still starting up.  A restart of tomcat usually sorts it for me.  However I've no idea if this would be the same problem that you are experiencing.

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Active Member II

Re: Document previews not working

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Hi thanks for the response.

Unfortunately after a couple of restarts of Tomcat it is still the same

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Member II

Re: Document previews not working

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Make sure the following things: In the Windows File Manager, open the Folder Options, make sure the option Always show icons, never thumbnails option is off , and the option Show preview handlers in preview pane is on 

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Active Member II

Re: Document previews not working

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I have both those options set like that, but this is not the issue. The issue is the preview in the alfresco web page is not rendering properly, which will be relating back to a configuration issue in the Linux box the software is installed on